<template>
    <el-container class="home-container">
        <el-header>
            <div>
                <!-- <img src="../../src/assets/home.jpeg" style="height:60px" alt=""> -->
                <span>电商后台管理系统</span>
            </div> 
            <el-button type='info' @click="logout">退出</el-button></el-header>
        <el-container>
            <el-aside :width="iscollapse ? '64px' : '200px'">
                <div class="toggle-button" @click="togglecollapse">|||</div>
                    <el-menu background-color="#333744" text-color="#fff" active-text-color="#409EFF" unique-opened 
                    :collapse="iscollapse" :collapse-transition="false" :router="true" :default-active="avctivepath"> 
                    <el-submenu :index="item.id +''" v-for="item in menulist" :key="item.id">
                        <template slot="title">
                            <i class="el-icon-location"></i>
                            <span>{{item.authName}}</span>
                        </template>
                            <el-menu-item :index="'/'+subItem.path + ''" v-for="subItem in item.children" :key="subItem.id"
                            @click="savenavstate('/'+subItem.path)">
                                <template slot="title">
                                <i class="el-icon-menu"></i>
                                <span>{{subItem.authName}}</span>
                            </template>
                            </el-menu-item>
                        </el-submenu>
                    </el-menu>
            </el-aside>
            <el-main>
                <router-view></router-view>
            </el-main>
        </el-container>
    </el-container>
</template>
<script>


export default {
    data(){
        return {
            menulist:[],
            iscollapse:false,
            avctivepath:""
        }
    },
    created(){
        this.getmenulist()
        this.avctivepath = window.sessionStorage.getItem('activepath')
    },
    methods:{
        logout(){
            this.$message.error('退出成功');
            window.sessionStorage.clear();
            this.$router.push('/login');
        },
        async getmenulist(){
            const {data:res } = await this.$axios.get('menus')
            if(res.meta.status !== 200) return this.$message.error(res.meta.msg)
            this.menulist = res.data
            console.log(this.menulist)
        },
        togglecollapse(){
            this.iscollapse = !this.iscollapse
        },
        savenavstate(avctivepath){
            window.sessionStorage.setItem('activepath',avctivepath)
            this.avctivepath = avctivepath
        }
    }
}
</script>

<style lang="less" scoped>
    .el-header{
        background-color:#373d41;
        display: flex;
        justify-content: space-between;
        padding-left:0;
        align-items: center;
        color:#fff;
        font-size:20px;
        > div{
            display:flex;
            align-items: center;
            span{
                margin-left:15px;
            }
        }
    }
    .el-aside{
        background-color: #333744;
        .el-menu{
            border:0;
        }
    }
    .el-main{
        background-color:#eaedf1;
    }
    .home-container{
        height:100%;
    }
    .toggle-button{
        background-color:#4A5064;
        font-size:10px;
        color:#fff;
        text-align:center;
        line-height:24px;
        letter-spacing: 0.2em;
        cursor:pointer;
    }
</style>

